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Fairchild Semiconductor Electronic Components Datasheet

FDMS7578 Datasheet

N-Channel Power Trench MOSFET

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FDMS7578 pdf
December 2009
FDMS7578
N-Channel Power Trench® MOSFET
25 V, 5.8 m
Features
General Description
„ Max rDS(on) = 5.8 mat VGS = 10 V, ID = 17 A
„ Max rDS(on) = 8 mat VGS = 4.5 V, ID = 14 A
„ Advanced Package and Silicon combination for low rDS(on)
and high efficiency
„ Next generation enhanced body diode technology, engineered
for soft recovery
„ MSL1 robust package design
This N-Channel MOSFET has been designed specifically to
improve the overall efficiency and to minimize switch node
ringing of DC/DC converters using either synchronous or
conventional switching PWM controllers. It has been optimized
for low gate charge, low rDS(on), fast switching speed and body
diode reverse recovery performance.
Applications
„ Control MOSFET for Synchronous Buck Converters
„ 100% UIL tested
„ Notebook
„ RoHS Compliant
„ Server
„ Telecomm
„ High Efficiency DC-DC Switch Mode Power Supplies
Top Bottom
Pin 1
S
S
S
G
D5
D6
Power 56
D
D
DD
D7
D8
4G
3S
2S
1S
MOSFET Maximum Ratings TA = 25 °C unless otherwise noted
Symbol
VDS
VGS
ID
EAS
PD
TJ, TSTG
Parameter
Drain to Source Voltage
Gate to Source Voltage
Drain Current -Continuous (Package limited)
-Continuous (Silicon limited)
-Continuous
-Pulsed
TC = 25 °C
TC = 25 °C
TA = 25 °C
Single Pulse Avalanche Energy
Power Dissipation
TC = 25 °C
Power Dissipation
TA = 25 °C
Operating and Storage Junction Temperature Range
Thermal Characteristics
(Note 4)
(Note 1a)
(Note 3)
(Note 1a)
Ratings
25
±20
28
63
17
60
40
33
2.5
-55 to +150
Units
V
V
A
mJ
W
°C
RθJC
RθJA
Thermal Resistance, Junction to Case
Thermal Resistance, Junction to Ambient
Package Marking and Ordering Information
(Note 1a)
3.7
50
°C/W
Device Marking
FDMS7578
Device
FDMS7578
Package
Power 56
Reel Size
13 ’’
Tape Width
12 mm
Quantity
3000 units
©2009 Fairchild Semiconductor Corporation
FDMS7578 Rev.C
1
www.fairchildsemi.com
Free Datasheet http://www.datasheet4u.com/


Fairchild Semiconductor Electronic Components Datasheet

FDMS7578 Datasheet

N-Channel Power Trench MOSFET

No Preview Available !

FDMS7578 pdf
Electrical Characteristics TJ = 25 °C unless otherwise noted
Symbol
Parameter
Test Conditions
Min Typ Max Units
Off Characteristics
BVDSS
BVDSS
TJ
IDSS
IGSS
Drain to Source Breakdown Voltage
Breakdown Voltage Temperature
Coefficient
Zero Gate Voltage Drain Current
Gate to Source Leakage Current,Forward
ID = 250 µA, VGS = 0 V
ID = 250 µA, referenced to 25 °C
VDS = 20 V, VGS = 0 V
VGS = 20 V, VDS = 0 V
25 V
20 mV/°C
1 µA
100 nA
On Characteristics
VGS(th)
VGS(th)
TJ
Gate to Source Threshold Voltage
Gate to Source Threshold Voltage
Temperature Coefficient
rDS(on)
Static Drain to Source On Resistance
gFS Forward Transconductance
VGS = VDS, ID = 250 µA
1.0 1.6 3.0 V
ID = 250 µA, referenced to 25 °C
-6 mV/°C
VGS = 10 V, ID = 17 A
VGS = 4.5 V, ID = 14 A
VGS = 10 V, ID = 17 A, TJ = 125 °C
VDD = 5 V, ID = 17 A
4.6 5.8
6.3 8 m
6.7 8.5
77 S
Dynamic Characteristics
Ciss
Coss
Crss
Rg
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
Gate Resistance
VDS = 13 V, VGS = 0 V,
f = 1 MHz
1221
371
54
1.2
1625
495
85
2.4
pF
pF
pF
Switching Characteristics
td(on)
tr
td(off)
tf
Qg(TOT)
Turn-On Delay Time
Rise Time
Turn-Off Delay Time
Fall Time
Total Gate Charge
Total Gate Charge
Qgs Total Gate Charge
Qgd Gate to Drain “Miller” Charge
VDD = 13 V, ID = 17 A,
VGS = 10 V, RGEN = 6
VGS = 0 V to 10 V
VGS = 0 V to 4.5 V VDD = 13 V
ID = 17 A
8 17 ns
2.6 10 ns
20 33 ns
2.2 10 ns
18 25 nC
8 11 nC
3.7 nC
1.7 nC
Drain-Source Diode Characteristics
VSD
Source to Drain Diode Forward Voltage
VGS = 0 V, IS = 2 A
VGS = 0 V, IS = 17 A
(Note 2)
(Note 2)
trr Reverse Recovery Time
Qrr Reverse Recovery Charge
IF = 17 A, di/dt = 100 A/µs
trr Reverse Recovery Time
Qrr Reverse Recovery Charge
IF = 17 A, di/dt = 300 A/µs
0.72
0.83
20
6
19
13
1.1
1.2
32
12
34
24
V
ns
nC
ns
nC
NOTES:
1. RθJA is determined with the device mounted on a 1 in2 pad 2 oz copper pad on a 1.5 x 1.5 in. board of FR-4 material. RθJC is guaranteed by design while RθCA is determined by
the user's board design.
a. 50 °C/W when mounted on
a 1 in2 pad of 2 oz copper
b.125 °C/W when mounted on
a minimum pad of 2 oz copper
2. Pulse Test: Pulse Width < 300 µs, Duty cycle < 2.0 %.
3. EAS of 40 mJ is based on starting TJ = 25 °C, L = 1 mH, IAS = 9 A, VDD = 23 V, VGS = 10 V. 100% test at L = 0.3 mH, IAS = 14 A.
4. As an N-ch device, the negative Vgs rating is for low duty cycle pulse occurrence only. No continuous rating is implied.
FDMS7578 Rev.C
2
www.fairchildsemi.com
Free Datasheet http://www.datasheet4u.com/


Part Number FDMS7578
Description N-Channel Power Trench MOSFET
Maker Fairchild Semiconductor
Total Page 7 Pages
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